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Home > Wen Yuan (High School Edition) > 2021 No.04 > 初中化学教学中化学方程式配平的三个技巧

  • 初中化学教学中化学方程式配平的三个技巧

    Author(s)：

    陈振秋

    Publication Title：

    Wen Yuan (High School Edition) 2021 No.04

    Affiliations：

    广东省湛江吴川市第四中学 广东 湛江 524500

    Abstract：

    正确书写化学方程式的原则一是必须以客观事实为基础，二是要遵守质量守恒定律。其中第二点是要求左右两边各种原子的种类和个数必须相等。在化学式前面填上适当的化学计量数使左右两边原子的种类和个数相等的步骤就称为方程式的配平。对于初中阶段化学方程式的配平，既是书写方程式的一个关键步骤，又是高中及以后学习的重要基础。化学方程式配平时，要先注意观察，如果反应中有单质，最后配单质中含有的元素的原子个数，单质的化学式。

    Keywords：

    初中化学；方程式配平；技巧

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    [1] 陈振秋.初中化学教学中化学方程式配平的三个技巧[J].Wen Yuan (High School Edition),2021(04),.

文渊(高中版)
Wen Yuan (High School Edition)

Language: 中文

CN：11-9276/G

ISSN：2096-6288

Publication Frequency: 月刊

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